Excellent Visual Experience: 1920*1080P native resolution (4K support), with 210 ANSI lumens + 50% brightness compared to ordinary projectors. Fully dust-proof design to prevent black spots on the projection screen. Mini projectors provide the sharpest detailed images and vivid videos. It is a high quality and economical choice for indoor or outdoor activities. Keystone Correction and Off-Axis Optical System: Advanced keystone correction 40 and off-axis optical system, the mini projectors ensure that the projected image is always a standard rectangle. It is very convenient to use the remote control to adjust the image, especially the projector suspended from the ceiling Portable multimedia overhead projector: The size of the projector is 120x135x178mm, 1.35kg. Compared with ordinary projectors, it is a truly portable projector. The unique handle design is easy to carry. With multiple ports: HDMI, USB, audio, ideal for home entertainment Big screen and 30,000 hour lamp life: any viewing size from 60" to 200", viewing distances from 5ft to 15ft, the best viewing size is an 85 inch screen. Equipped with improved TFT LCD light source technology to ensure lower power consumption and longer life than traditional light bulbs Double stereo and fan noise reduction system: The LED projector has two speakers Built-in 4W stereo, so you can get great hearing sensing experience without external speakers. The updated and innovative cooling system includes heat dissipation and noise reduction technology, which can reduce fan noise by half Projection technology: LED + LCD projector Display chip: FHD LED +4.5 1080P Light life: up to 25,000 hours Luminous luminance: 210 ANSI lumens Light type: LED Standard resolution: FHD 1920 * 1080 Projection area: 60-150 inches Contrast: 800: 1 Throw Ratio: 1.2: 1: 33.5 inch at 1M Distortion: 78% Projection distance: 1.2-5m Aspect ratio: 0.672916666666667 Focus mode: manual focus Keystone correction: manual, vertical: 45 degree, horizontal 40 degree Projector character: Interaction Projection mode: Front projection Built-in battery: 12000mAH Use time : 80 MIN Video support (up to 4k): VP9-10, H.265, H.264, MPEG-4, WMV/VC-1, MPEG-2, MPEG-1, RealVideo 8/9/10 etc. Audio support: MP3, WMA, MP2, OGG, AAC, M4A, MA4, FLAC, APE, 3GP, WAV Image Support: Support browsing a variety of image formats (jpg, png, bmp, etc.) Extended storage: support TF card and hard disk Remote control: support (IR) infrared and 2.4G wireless control Built-in speaker: 43W Interface: 1 * HDMI: HDMI 2.0 input 2 * USB: USB 2.0 supports reading data from USB hard disk 1 * Earphone: audio output , 3.5mm joint (can connect with earphone or speaker box) 1 * AC input: DC 19V 3A & OTG